Now, the county could be just days away from hitting its target. As of Wednesday, 84% of the total population was fully vaccinated, the highest globally, according to Our World in Data.
Along with the rising number of shots, the COVID-19 infection rate and hospitalizations from the virus have dropped to their lowest levels in nearly 18 months.
The government announced Thursday that it would scrap most of its remaining COVID-19 restrictions starting Oct. 1, though the wearing of face masks will still be mandatory on public transit, in hospitals and care homes, and in shopping malls.
Such a move would be a welcome development for many countries still in the grip of the highly infectious delta variant and lagging in their own vaccination rollouts.
Previously unheralded outside the military, Gouveia e Melo is now a household name in Portugal, having made a point of going on television regularly to answer public concerns about the vaccination program.
Easily recognizable even behind a face mask due to his blue eyes, close-cropped salt-and-pepper hair and 1.93-meter (6-foot-3-inch) height, heâs often greeted in the street by people wanting to thank him.
âPeople are very nice,â he says. But the 60-year-old officer also is quick to insist he is just âthe tip of the icebergâ in the operation and that many others share the credit.
Military involvement in rolling out the COVID-19 vaccine is not uncommon elsewhere, but Portugal has given it the leading role.
It turned out to be an inspired choice: Although Gouveia e Meloâs team works hand-in-hand with health authorities, police and town councils, the militaryâs expertise has proven invaluable.
âPeople in the military are used to working under stress in uncertain environments,â he said at his office in a NATO building near Lisbon that commands a view of the Atlantic. âTheyâre organized, have a good logistics set-up ... and are usually very focused on the mission.â
Gouveia e Melo set the tone of the rollout with his no-nonsense approach and emphasis on discipline. His straight-talking style endeared him to many who worried they might not get vaccinated in time.
In an interview with The Associated Press, he admitted that replacing a political appointee who quit after only three months was âintimidating.â
At the time, Portugal was in the worst phase of the pandemic, when it was among the hardest-hit countries with public hospitals near collapse. Promised vaccine deliveries werenât arriving. And jockeying for shots was threatening to undermine public trust in the rollout.
âI felt like I had the eyes of 10 million people on me,â Gouveia e Melo said, referring to Portugalâs population.
His 42-year military career helps explain how he handled the pressure.
He was a submarine commander, and at one point was in charge of two of the vessels at the same time -- returning to base with one, eating a meal on shore and then taking another out to sea.
Gouveia e Melo also captained a frigate, led Euromarfor, the European Unionâs Maritime Force, and has logged the most hours at sea of any serving Portuguese naval officer.
He is unapologetic about couching the vaccine rollout as a battle and has worn combat fatigues ever since taking over the effort. He said he wanted to send a message that it was a call to arms.
âThis uniform...was symbolic for people to comprehend the need to roll up our sleeves and fight this virus,â he says.
Gouveia e Melo did away with Portugalâs initial efforts to piggyback on established vaccination strategies, such as those used annually for flu shots in usually small, public health centers. The demands of scale and speed to address COVID-19 required a very different approach.
Portugal began using large sports facilities around the country to set up what Gouveia e Melo called a âproduction lineâ: a reception and processing area; a waiting room; cubicles where injections are given; and a recovery area. He used soldiers as guinea pigs at the Lisbon military hospital to figure out the fastest flow of people through a building.
A major push came with what he described as a âtsunamiâ of vaccine deliveries in mid-June, which allowed a shift into a higher gear.
Tiago Correia, an associate professor in international public health at Lisbonâs New University Institute of Hygiene and Tropical Medicine, reckons that the public view of Gouveia e Melo as the principal factor in the successful rollout is an âexaggerationâ of his role.
A key factor, Correia says, is the traditional consenting attitude in Portugal toward national vaccination programs. Its vaccination rate for measles, mumps and rubella, for example, is 95% -- one of the EUâs highest - and there is no significant anti-vaccination movement.
Even so, Gouveia e Meloâs military background meant he was able to âcut through all the politicsâ and ensure public trust in the rollout, Correia told AP.
These days, Gouveia e Melo is often greeted with spontaneous applause from the public when he visits vaccine centers and poses for selfies. He has been the subject of TikTok videos and poems.
Framed on the wall behind his desk is a drawing given to him by a child who wrote âObrigadoâ â âThank youâ â in capital letters.
On a visit Tuesday to a vaccine center at the Lisbon University campus, Gouveia e Melo strode around in his combat fatigues and handed out a cloth crest he designed for the rollout to those waiting for their shots. The emblem, worn by many in the effort, depicts a three-headed hydra lunging at two virus cells, with a green border representing the more than 4,700 people who have worked at Portugalâs vaccine centers.
Claudia Boigues, a 53-year-old waiting in the recovery area with her 15-year-old son who had just been vaccinated, said she marveled at the swift rollout.
âI never thought weâd reach 85%,â she said. âBut now we deserve congratulations.â
Other countries, which Gouveia e Melo declined to identify because their requests have not been made public, have asked Portugal about its effort.
Gouveia e Melo will soon be able to say âmission accomplishedâ for his immediate goal. But with significant vaccination hesitancy in some wealthier countries and many poorer countries without sufficient doses, heâs under no illusion that virus variants could come back to torment Portugal.
âWeâve won a battle,â he says. âI donât know if weâve won the war against the virus. This is a world war.â
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See AP coverage of the coronavirus pandemic at https://apnews.com/hub/coronavirus-pandemic